Pith Number

pith:7HRH53AP

pith:2013:7HRH53AP7QXNBWKCL2ERJC3KEF

not attested not anchored not stored refs pending

Geometric approach to string analysis: deviation from linearity and its use for biosequence classification

Boris Brimkov, Valentin E. Brimkov

arxiv:1308.2885 v1 · 2013-08-13 · q-bio.QM · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HRH53AP7QXNBWKCL2ERJC3KEF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:15:58.285878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e27eec0ffc2ed0d9425e89148b6a2168cc5b7112dcb60d270b7bd9bcc99a95

Aliases

arxiv: 1308.2885 · arxiv_version: 1308.2885v1 · doi: 10.48550/arxiv.1308.2885 · pith_short_12: 7HRH53AP7QXN · pith_short_16: 7HRH53AP7QXNBWKC · pith_short_8: 7HRH53AP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7HRH53AP7QXNBWKCL2ERJC3KEF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f9e27eec0ffc2ed0d9425e89148b6a2168cc5b7112dcb60d270b7bd9bcc99a95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d48ef879b01203cdf84f68cd9458f25592482d50d4bf198abdf17f60eeb71d9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-08-13T14:58:12Z",
    "title_canon_sha256": "8d45bc87f549a0e81f58fde6d0035d1cbf57b55f85ea010100f50fc013f7023e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2885",
    "kind": "arxiv",
    "version": 1
  }
}